If you're a facility manager, office manager, or business owner trying to evaluate a commercial cleaning company, here's a question worth asking on the very first call: _"Walk me through your disinfection protocol — products, dwell times, and documentation."_
The answer separates real operators from vendors hoping you don't know the difference. This guide breaks down what the CDC, EPA, and OSHA actually require for workplace disinfection — written for the people who sign the contracts, not the cleaners who do the work.
Cleaning vs. Sanitizing vs. Disinfecting: The Definitions That Matter
The CDC draws a clear line between three terms that most people use interchangeably:
- Cleaning physically removes dirt, dust, and germs from surfaces using soap or detergent and water. It does not kill germs.
- Sanitizing lowers the number of germs on a surface to a level considered safe by public health standards.
- Disinfecting uses chemicals (or other approved methods) to kill nearly all germs on a surface, including bacteria and viruses.
The CDC explicitly states that surfaces should be cleaned _before_ they are disinfected, because dirt and organic material can shield germs from disinfectants and make them less effective. This two-step process is non-negotiable in any serious commercial cleaning program.
What "EPA-Registered" Actually Means
When a cleaning company tells you they "use disinfectants," that phrase alone means nothing. The CDC requires EPA-registered disinfecting products for any setting where germ-kill is the goal. EPA registration means:
- The product has been tested against specific pathogens
- The label is legally required to list the germs it kills and the contact time needed
- The manufacturer has filed required toxicity and safety data with the EPA
The EPA maintains public lists of registered disinfectants, including _List N_ (products effective against SARS-CoV-2 and similar viruses), as well as lists for norovirus, MRSA, C. difficile, and other pathogens.
A company that can't tell you which EPA-registered products they use, and produce the corresponding _Safety Data Sheets (SDS)_ on request, is not running a real disinfection program.
Dwell Time: The Detail Almost Every Vendor Skips
Here's the single most important technical concept in workplace disinfection — and the one most often violated in real-world cleaning:
_Dwell time (also called contact time)_ is the amount of time a disinfectant must remain visibly wet on a surface to kill the germs listed on the label. This is set by the EPA based on lab testing and printed on the product label.
If the label says 4 minutes and the cleaner sprays and wipes in 30 seconds, the surface looks clean — but it has not been disinfected. It has only been cleaned. Pathogens are still alive.
Real disinfection protocols specify:
- Which EPA-registered product is used for which surface
- The required dwell time
- A method (spray, wipe, or apply via microfiber) that keeps the surface wet for the required time
- Worker training on dwell time as a non-negotiable step
When you're evaluating a janitorial company, ask them to walk you through this. If they can't, dwell-time violations are happening every shift.
High-Touch Surfaces: What the CDC Says Has to Be Cleaned Daily
The CDC recommends high-touch surfaces in shared facilities be cleaned and disinfected at least once per day, with more frequent cleaning in high-traffic settings or when illness is circulating.
The CDC's published list of high-touch surfaces includes:
- Door handles and push plates
- Light switches
- Handrails and stair rails
- Elevator buttons
- Counters and shared desks
- Phones, keyboards, and shared electronics
- Faucets, sink handles, and toilet flush handles
- Tables, chairs, and shared equipment
- Pens, shopping carts, and shared tools
Any cleaning company servicing your facility should treat these surfaces as a separate, documented daily task — not a "we'll get to it" item.
Cleaning When Someone Has Been Sick
The CDC has specific guidance for facilities where a sick person — including someone with a confirmed contagious illness — has occupied a space within the last 24 hours:
- Wait as long as possible (at least several hours) before cleaning the area
- Open windows or run ventilation if practical
- Workers should wear gloves and a mask while cleaning
- Use an EPA-registered disinfectant effective against the specific pathogen
- Wash hands thoroughly with soap and water for at least 20 seconds afterward
A serious commercial cleaning provider should have a documented "illness response protocol" you can request — and follow it, not improvise it.
OSHA Workplace Sanitation: What Employers Are Legally Required to Do
OSHA's general sanitation standard (29 CFR 1910.141) is the federal baseline. It requires employers to:
- Maintain workplaces in a sanitary condition
- Keep floors clean and as dry as practicable
- Remove waste, refuse, and garbage in a way that doesn't create a health hazard
- Prevent infestation of rodents, insects, and other vermin
- Provide and maintain washing facilities with running water, soap, and towels
- Maintain restrooms in a clean and sanitary condition
If your cleaning vendor isn't familiar with this regulation, that's a red flag. Most facility-level OSHA citations in office and commercial settings tie back to sanitation standard violations — and the building owner or employer is the one who pays the fine, not the cleaning company.
Color-Coded Microfiber: Why This One Detail Says Everything
Watch how a cleaning company handles cloths and mops, and you'll know whether they're trained or just employed.
A color-coded microfiber system assigns specific colors to specific zones — typically:
- Red: restrooms and toilet areas
- Yellow: restroom sinks, mirrors, and counters
- Blue: general office and low-risk surfaces
- Green: kitchens and breakrooms
This prevents the most common — and gross — failure in commercial cleaning: a cloth that wiped a toilet rim getting reused on a breakroom counter. The CDC's environmental cleaning guidance for healthcare settings explicitly calls for this kind of zoning to prevent cross-contamination, and the standard has migrated into modern commercial cleaning protocols.
Documentation: If It Wasn't Recorded, It Didn't Happen
A real disinfection program produces paper trails. Your cleaning vendor should be able to provide:
- Daily and weekly cleaning logs signed by the crew
- Inspection reports from the supervisor
- A current SDS binder for every chemical used in your facility
- A Certificate of Insurance listing your business as additional insured
- An illness response protocol on file
- ATP testing or audit data for facilities that require objective cleanliness measurement (per ISSA Clean Standard)
Documentation is not bureaucracy. It's the only thing that proves a disinfection program existed when something goes wrong — like an inspection, a workers' comp claim, or a tenant complaint.
The Decision-Maker's CDC Disinfection Audit (5 Questions)
Before signing any commercial cleaning contract, ask your potential vendor:
- _What EPA-registered disinfectants do you use, and can I see the SDS?_
- _What dwell times do those products require, and how do you ensure your team meets them?_
- _What's your protocol for high-touch surface disinfection?_
- _How do you prevent cross-contamination between zones (color-coded microfiber, separate equipment)?_
- _Can I see a sample of the cleaning log and inspection report I'll receive monthly?_
Vendors who answer all five quickly and confidently are the ones running a CDC-aligned program. Vendors who can't are the reason your last cleaning company didn't last.
Vision Cleaning Company's CDC-Aligned Disinfection Program
Every Vision Cleaning Company account runs on EPA-registered disinfectants with documented dwell times, color-coded microfiber zoning, and supervisor-verified inspection logs. Our products are eco-friendly and Safer Choice or Green Seal recognized — meaning they meet CDC and EPA disinfection standards while protecting your tenants, employees, and indoor air quality.
Book a free walkthrough at visioncleaningcompany.com — we'll show you exactly what a real disinfection program looks like in your facility.